I got the last 2 number thing from an old timer. It's also on the link I provided. Read the link I posted previously and it says, .."For bore sizes 05 and above multiply last two numbers by 5."< I'm sorry I didn't make that distinction. :-(

Just so you don't have to go back and find the link, here it is again:

http://www.skf.com/binary/30-61889/TT08_006.pdf

Larry Bloodworth
Technical Information Specialist/Technician
Tanner Transmissions
Draper, Utah, USA